Fairfax – Camp Tamarancho Trailhead loop from Fairfax

If you're looking for some of Marin County's best purpose-built singletrack, the Fairfax – Camp Tamarancho Trailhead loop from Fairfax is a difficult mountain biking route that delivers, packing 11.9 miles (19.2 km) and 1795 feet (547 metres) of climbing into roughly 1 hour and 53 minutes. This trail is ideal for intermediate to advanced riders seeking a challenging and diverse experience.

What to expect on Fairfax – Camp Tamarancho Trailhead loop from Fairfax

This loop takes you through varied terrain, from shaded redwood groves to open mountain meadows with sweeping views of Mount Tamalpais. You'll encounter technical climbs on trails like Alchemist, featuring switchbacks, rocks, and roots, and Serpentine, which includes "the rock" – a rideable boulder. Expect flowy sections on Goldman and the exhilarating downhill-only Endor Trail, known for its humps and high berms. This route is best for riders with good fitness and advanced skills, as some portions, like the rocky Wagon Wheel Trail, are quite challenging and might require you to push your bike.

Planning your visit

Before you hit the trails, remember that Camp Tamarancho is on private property, so you'll need a day pass or an annual permit for access. You can often purchase day passes at Sunshine Bicycles in Fairfax, a convenient 1.5 miles from the trailhead. Fairfax itself is an outdoorsy town with plenty of cafes and restaurants, perfect for a post-ride refuel.

Trail details

• Distance: 11.9 miles (19.2 km)
• Elevation gain: 1795 feet (547 metres)
• Difficulty: difficult
• Estimated time: 1 hours and 53 minutes